Home / 33,890.09-46,770.18-18,782.43

Finding the Fourth Proportional to 33,890.09, 46,770.18 and 18,782.43

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Solution

The fourth proportional to 33,890.09, 46,770.18 and 18,782.43 is: 25,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.09 : 46,770.18 = 18,782.43 : x
  2. Step 2: Convert to fraction form
    33,890.09/46,770.18 = 18,782.43/x
  3. Step 3: Cross multiply
    33,890.09x = 46,770.18 × 18,782.43
  4. Step 4: Simplify right side
    33,890.09x = 878,457,631.94
  5. Step 5: Solve for x
    x = 878,457,631.94/33,890.09
  6. Step 6: Final answer
    x = 25,920.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.